package org.example.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;

import org.apache.commons.lang.StringUtils;
import org.example.exceptionHandler.GuliException;
import org.example.vod.service.VodService;
import org.example.vod.utils.ConstantVodUtils;
import org.example.vod.utils.InitVodClient;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {
    @Override
    public String uploadAlyVideo(MultipartFile file) {
        try {
            //上传的文件的原始名称(如:01.mp4)
            String fileName = file.getOriginalFilename();
            //上传后在阿里云显示的名称(带不带后缀都行,我这里没带)
            String title = fileName.substring(0, fileName.lastIndexOf("."));
            //上传的文件的输入流
            InputStream inputStream = file.getInputStream();

            UploadStreamRequest request = new UploadStreamRequest(
                    ConstantVodUtils.ACCESS_KEY_ID,
                    ConstantVodUtils.ACCESS_KEY_SECRET,
                    title,
                    fileName,
                    inputStream);
            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                videoId = response.getVideoId();
            }

            return videoId;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }

    }
    @Override
    public void removeMoreAlyVideo(List videoIdList){
        try {
            DefaultAcsClient client = InitVodClient.initVodClient(
                    ConstantVodUtils.ACCESS_KEY_ID,
                    ConstantVodUtils.ACCESS_KEY_SECRET
            );
            DeleteVideoRequest request = new DeleteVideoRequest();
            String videoIds = StringUtils.join(videoIdList.toArray(), ",");//于单个删除的不一样,表示先将集合转为数据,然后将数组中的数据按照逗号
            request.setVideoIds(videoIds);
            client.getAcsResponse(request);
        }catch(Exception e) {
            e.printStackTrace();
            throw new GuliException(20001, "删除视频失败");
        }
    }


}
